Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 15-02-2021 and time 09:19:35 (Italy) in region 5 km SE Capitignano (AQ)

A magnitude ML 1.2 earthquake occured in region: 5 km SE Capitignano (AQ), on

  • 15-02-2021 08:19:35 (UTC)
  • 15-02-2021 09:19:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4940, 13.3470 at 12 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Capitignano AQ 5 665 665
Barete AQ 7 737 1402
Campotosto AQ 7 542 1944
Pizzoli AQ 8 4326 6270
Montereale AQ 9 2581 8851
Cagnano Amiterno AQ 11 1369 10220
Crognaleto TE 12 1297 11517
Scoppito AQ 16 3727 15244
Amatrice RI 16 2657 17901
L'Aquila AQ 16 69753 87654
Fano Adriano TE 17 296 87950
Pietracamela TE 17 271 88221
Borbona RI 18 617 88838
Cortino TE 20 656 89494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km N of L'Aquila (69753 inhabitants)
35 Km SW of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
69 Km W of Chieti (51815 inhabitants)
71 Km W of Pescara (121014 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Roma (2864731 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 1.2 2021-02-15
08:19:35		 42.4942 13.3473 12 2021-07-12
16:54:59		 Bollettino Sismico Italiano INGV 87454231
Reviewed
Rev100 		ML 1.2 2021-02-15
08:19:35		 42.4942 13.3475 13 2021-02-15
08:28:29		 Sala Sismica INGV-Roma 87171801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-15 08:19:35 ± 0.08
Latitude 42.4942 ± 0.0054
Longitude 13.3473 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87454231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 310
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 357
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.37951
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 87454231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-18 12:13:38

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 87171801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-15 08:28:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-02-15T08:19:49.24 0.3 undecidable manual S 333 42.1245 92 0.02 72
IV.MTRA.EHZ. 2021-02-15T08:19:45.50 0.3 undecidable manual S 8 29.3484 94 -0.31 69
IV.LNSS.HHZ. 2021-02-15T08:19:45.29 0.6 undecidable manual S 296 27.8499 94 -0.11 49
IV.TERO.HHZ. 2021-02-15T08:19:44.57 0.6 undecidable manual S 56 25.3524 95 -0.17 47
IV.NRCA.HHZ. 2021-02-15T08:19:43.37 0.1 undecidable manual P 333 42.1245 92 -0.05 95
IV.GIGS.HHZ. 2021-02-15T08:19:42.86 0.6 undecidable manual S 104 18.9699 100 -0.2 47
IV.SMA1.EHZ. 2021-02-15T08:19:42.16 0.6 undecidable manual S 356 15.1737 109 0.1 49
IV.T1299.HNZ. 2021-02-15T08:19:42.38 0.6 undecidable manual S 341 16.3725 105 -0.01 50
IV.MTRA.EHZ. 2021-02-15T08:19:41.36 0.1 undecidable manual P 8 29.3484 94 -0.1 96
IV.LNSS.HHZ. 2021-02-15T08:19:41.26 0.3 undecidable manual P 296 27.8499 94 0.04 73
IV.TERO.HHZ. 2021-02-15T08:19:40.85 0.1 undecidable manual P 56 25.3524 95 0.01 99
IV.RM33.EHZ. 2021-02-15T08:19:40.74 0.3 undecidable manual S 279 10.9779 123 -0.32 72
IV.CAMP.HHZ. 2021-02-15T08:19:40.23 0.3 undecidable manual S 48 6.7932 142 -0.02 77
IV.T1299.HNZ. 2021-02-15T08:19:39.72 0.3 undecidable manual P 341 16.3725 105 0.24 72
IV.GIGS.HHZ. 2021-02-15T08:19:39.96 0.3 undecidable manual P 104 18.9699 100 0.1 74
IV.SMA1.EHZ. 2021-02-15T08:19:39.38 0.1 undecidable manual P 356 15.1737 109 0.09 99
IV.RM33.EHZ. 2021-02-15T08:19:38.77 0.1 undecidable manual P 279 10.9779 123 0.06 100
IV.CAMP.HHZ. 2021-02-15T08:19:38.49 0.1 undecidable manual P 48 6.7932 142 0.25 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.1 0.0001457 0.28 AML other m 2021-02-15T08:19:40.95
IV.RM33.HNN. ML:1.0 0.00012033738649999998 0.2304 AML other m 2021-02-15T08:19:40.95
IV.RM33.HNE. ML:1.0 0.00010570631000000002 0.1216 AML other m 2021-02-15T08:19:40.94
IV.RM33.EHE. ML:1.0 0.00010743886999999999 0.1792 AML other m 2021-02-15T08:19:40.94
IV.SMA1.EHN. ML:1.2 0.00013214565 1.7568 AML other m 2021-02-15T08:19:43.89
IV.SMA1.EHE. ML:1.2 0.00015565000000000002 0.16 AML other m 2021-02-15T08:19:43.12
IV.TERO.HHN. ML:1.2 0.00008896713 1.0624 AML other m 2021-02-15T08:19:44.53
IV.TERO.HHE. ML:0.8 0.000035929 0.16 AML other m 2021-02-15T08:19:44.78
IV.LNSS.HHE. ML:1.0 0.00004544600999999999 0.1408 AML other m 2021-02-15T08:19:45.64
IV.MTRA.HNN. ML:1.6 0.00019255214999999997 0.1472 AML other m 2021-02-15T08:19:45.68
IV.LNSS.HHN. ML:0.8 0.0000314582255 0.1792 AML other m 2021-02-15T08:19:45.77
IV.MTRA.EHN. ML:1.5 0.00016552840000000002 0.1408 AML other m 2021-02-15T08:19:45.68
IV.MTRA.EHE. ML:1.4 0.000111586465 0.1792 AML other m 2021-02-15T08:19:45.99
IV.MTRA.HNE. ML:1.4 0.00013063815 1.8016 AML other m 2021-02-15T08:19:46.98
IV.NRCA.HHE. ML:1.3 0.000064313485 0.1408 AML other m 2021-02-15T08:19:49.48
IV.NRCA.HHN. ML:1.0 0.00003620305 0.1216 AML other m 2021-02-15T08:19:49.52
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download